fast-twitch

adjective
\ ˈfas(t)-ˌtwich How to pronounce fast-twitch (audio) \

Definition of fast-twitch

: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength — compare slow-twitch

First Known Use of fast-twitch

1970, in the meaning defined above

Keep scrolling for more

Learn More about fast-twitch

Time Traveler for fast-twitch

Time Traveler

The first known use of fast-twitch was in 1970

See more words from the same year

Statistics for fast-twitch

Cite this Entry

“Fast-twitch.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/fast-twitch. Accessed 14 December 2019.

Keep scrolling for more

More Definitions for fast-twitch

fast-twitch

adjective
\ ˌfas(t)-ˌtwich How to pronounce fast-twitch (audio) \

Medical Definition of fast-twitch

: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength — compare slow-twitch

More from Merriam-Webster on fast-twitch

Rhyming Dictionary: Words that rhyme with fast-twitch

Comments on fast-twitch

What made you want to look up fast-twitch? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to assail by words or arguments

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!